Scholar-officials in Wei and Jin dynasties only knew that there was a home, but they didn't know where the country came from.

As we all know, Cao Wei has always ruled the world by filial piety. He avoided talking about a word of loyalty, because Cao Cao ordered his ministers by the emperor. How could he be loyal? In the Jin Dynasty, Si Mazhao's heart was well known. Speaking of Kong Zhou's attacking scholars, it became a famous black joke in history. So, did the scholars of that era still have a country in their hearts?